CN112496384A

CN112496384A - Equal-angle drilling device

Info

Publication number: CN112496384A
Application number: CN202011278256.0A
Authority: CN
Inventors: 不公告发明人
Original assignee: Ningbo Juesheng Technology Co ltd
Current assignee: Ningbo Juesheng Technology Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-03-16

Abstract

The invention discloses an equal-angle drilling device which comprises a base, wherein the left side and the right side above the base are respectively provided with a connecting block and a fixed block through a support, the front end and the rear end of the connecting block are respectively provided with a first circular ring and a bearing, the outer ring of the bearing is connected with a second circular ring in a key mode, the rear side of the upper end of the second circular ring is provided with a stepping cylinder, a piston of the stepping cylinder is connected with a drilling machine, a stepping motor is arranged in the fixed block, an output shaft of the stepping motor is connected with a rotating mechanism for intermittently rotating the second circular ring by the same angle, and the first circular ring and the fixed block are provided with clamping components. The invention has the advantages that: stable in structure is reliable, accomplishes automatically and lasts to press from both sides tightly, makes the second ring rotate the drilling behind the same angle at every turn at the in-process that lasts to press from both sides tightly, and the automatic large-scale steel pipe that loosens after the circumference drilling is accomplished, can retrieve the compression behind the garbage collection simultaneously, and degree of automation is high, improves work efficiency.

Description

Equal-angle drilling device

Technical Field

The invention relates to drilling equipment, in particular to an equal-angle drilling device.

Background

At present, most of the circumferential punching of large steel pipes is performed by using a portable magnet punching machine, the lower end of the portable magnet punching machine is provided with an arc-shaped block which can be attached to the large steel pipe, the left and right ends of the arc-shaped block are symmetrically and vertically slidably provided with magnets which are firmly attached to the large steel pipe, the large steel pipe is fixed by using a clamp firstly, the arc-shaped block of the portable magnet punching machine is attached to the outer ring of the large steel pipe, the magnets slide down and are attracted to the large steel pipe after the position and the angle are determined so as to be fixed on the large steel pipe, then the handle is rotated by hand to make a drill bit drill a hole towards the large steel pipe, then the magnets move upwards and release the large steel pipe, the arc-shaped block is attached to a movable punching machine, the circumferential punching of the large steel pipe is completed by repeating the steps, but in the process, a worker, the steps are not accurate enough while being various, and time and labor are wasted.

Disclosure of Invention

The invention mainly aims to provide an equiangular drilling device which is stable and reliable in structure, automatically completes continuous clamping, circumferential drilling and loosening after completion, collects waste materials and improves working efficiency.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: an equal-angle drilling device comprises a base, wherein the left side and the right side above the base are respectively provided with a connecting block and a fixed block through a support, the front end and the rear end of the connecting block are respectively provided with a first circular ring and a bearing, the outer ring of the bearing is in keyed joint with a second circular ring, the rear side of the upper end of the second circular ring is provided with a stepping cylinder, a piston of the stepping cylinder is connected with a drilling machine, a stepping motor is arranged in the fixed block, an output shaft of the stepping motor is connected with a rotating mechanism used for intermittently rotating the second circular ring by the same angle, the first circular ring and the fixed block are provided with clamping components connected with the output shaft of the stepping motor, the base is provided with a collecting component matched with the rotating mechanism, the rotating mechanism comprises a first rotating shaft which is keyed joint on the output shaft of the stepping motor, the first rotating, the outer ring of the disc is provided with single teeth, the outer ring of the second ring is connected with a groove ring in a keyed mode, and arc-shaped grooves matched with the disc and tooth grooves matched with the single teeth are evenly distributed in the circumferential direction of the outer ring of the groove ring.

Further, clamping component is including the key joint in step motor's the epaxial gear wheel of output, be provided with the second pivot on the fixed block with rotating, the rear end key joint of second pivot with gear wheel engagement's pinion, be equipped with in the fixed block with second pivot matched with centrifugation subassembly, both ends are equipped with fixed fixture block, removal fixture block respectively about the first ring is inboard, the left end of fixed fixture block is equipped with and passes first ring and the first slider of fixing through the screw, the right-hand member of removing the fixture block be equipped with pass first ring and with centrifugation subassembly matched with buffering subassembly.

Further, centrifugal component is including setting up the first spout of second pivot upper end, sliding fit has the fixture block in the first spout, the fixed block internal rotation ground is equipped with ring gear, the inboard upper end of ring gear be equipped with fixture block matched with draw-in groove.

Furthermore, the buffering component comprises a rack which is meshed with the upper end of the ring gear and is in sliding fit with the inside of the fixed block, a first spring is connected between the fixed block and the rack, a telescopic block which penetrates through the first circular ring is arranged at the right end of the movable clamping block, a second sliding groove which is used for accommodating the rack in sliding fit is arranged at the right end of the telescopic block, and a second spring is connected between the second sliding groove and the rack.

Further, the collecting assembly is in including setting up the base upper end just holds second pivot pivoted prop up the piece, the lower extreme of propping up the piece is provided with the third pivot with rotating, the second pivot be connected with the toothed belt between the third pivot, the rear end of third pivot is equipped with the carousel, the rear end of carousel articulates there is the hinge bar, the rear end of base is equipped with the breach, be equipped with the collecting vat on the breach, be equipped with in the collecting vat with the compression subassembly that the hinge bar is connected.

Further, the collecting vat is including fixing the square groove of breach rear end, the lower extreme of square groove is equipped with the opening, the opening part articulates there is the open-close board, the open-close board with be connected with the torsional spring between the opening, the upper end of square groove is equipped with the arc wall.

Furthermore, the compression assembly comprises an extrusion block hinged at the left end of the hinge rod, the left side and the right side of the lower end of the square groove are respectively provided with a left sliding groove and a right sliding groove for accommodating the extrusion block in a sliding manner, a second sliding block is arranged in the left sliding groove in a sliding manner, the left end of the second sliding block is provided with a sliding rod in the base in a sliding manner, and a third spring connected with the base and the second sliding block is sleeved outside the sliding rod.

The invention has the advantages that: stable in structure is reliable, accomplishes automatically and lasts to press from both sides tightly, makes the second ring rotate the drilling behind the same angle at every turn at the in-process that lasts to press from both sides tightly, and the automatic large-scale steel pipe that loosens after the circumference drilling is accomplished, can retrieve the compression behind the garbage collection simultaneously, and degree of automation is high, improves work efficiency.

Drawings

FIG. 1 is a perspective view according to the present invention;

FIG. 2 is a schematic structural diagram according to the present invention;

FIG. 3 is a front view according to the present invention;

FIG. 4 is a rear view in accordance with the present invention;

FIG. 5 is a top view according to the present invention;

FIG. 6 is a cross-sectional view A-A of FIG. 5;

FIG. 7 is a cross-sectional view of a steel tube being placed in a ring according to the present invention;

FIG. 8 is a sectional view illustrating the disc rotating and the moving jaw moving leftward to grip the steel pipe according to the present invention;

FIG. 9 is a cross-sectional view of a steel pipe being drilled after the disc has rotated and the stepper cylinder has extended the piston in accordance with the present invention;

FIG. 10 is a cross-sectional view of the disc rotating and the stepper cylinder retracting the piston in accordance with the present invention;

FIG. 11 is a cross-sectional view of the disk rotating and the single tooth rotating with the second ring via the sheave according to the present invention;

fig. 12 is an enlarged view of a portion B of fig. 7.

Reference numerals: 1. the device comprises a base, 2, a fixed block, 3, a first ring, 4, a connecting block, 5, a bearing, 6, a second ring, 7, a stepping cylinder, 8, a stepping motor, 9, a rotating mechanism, 91, a disc, 92, a single tooth, 93, a groove ring, 94, a first rotating shaft, 10, a clamping component, 101, a gearwheel, 102, a pinion, 103, a second rotating shaft, 104, a ring gear, 105, a rack, 106, a telescopic block, 107, a movable clamping block, 108, a fixed clamping block, 109, a first sliding block, 11, a collecting component, 111, a toothed belt, 112, a third rotating shaft, 113, a turntable, 114, a hinge rod, 115, an extrusion block, 116, a second sliding block, 117, a collecting groove, 118 and an opening-closing plate.

Detailed Description

As shown in fig. 1 to 12, an equal-angle drilling device comprises a base 1, wherein the left side and the right side above the base 1 are respectively provided with a connecting block 4 and a fixed block 2 through a bracket, the front end and the rear end of the connecting block 4 are respectively provided with a first ring 3 and a bearing 5, the outer ring of the bearing 5 is connected with a second ring 6 in a key way, the rear side of the upper end of the second ring 6 is provided with a stepping cylinder 7, a piston of the stepping cylinder 7 is connected with a drilling machine, the fixed block 2 is internally provided with a stepping motor 8, the output shaft of the stepping motor 8 is connected with a rotating mechanism 9 for intermittently rotating the second ring 6 by the same angle, the first ring 3 and the fixed block 2 are provided with a clamping assembly 10 connected with the output shaft of the stepping motor 8, the base 1 is provided with a collecting assembly 11 matched with the rotating mechanism 9, the rotating mechanism 9, the first rotating shaft 94 is in keyed joint with a disc 91, the outer ring of the disc 91 is provided with single teeth 92, the outer ring of the second circular ring 6 is in keyed joint with a groove ring 93, and arc-shaped grooves matched with the disc 91 and tooth grooves matched with the single teeth 92 are evenly distributed in the circumferential direction of the outer ring of the groove ring 93.

The clamping assembly 10 comprises a large gear 101 which is keyed on an output shaft of the stepping motor 8, a second rotating shaft 103 is rotatably arranged on the fixing block 2, a small gear 102 which is meshed with the large gear 101 is keyed on the rear end of the second rotating shaft 103, a centrifugal assembly which is matched with the second rotating shaft 103 is arranged in the fixing block 2, a fixing clamping block 108 and a moving clamping block 107 are respectively arranged at the left end and the right end of the inner side of the first circular ring 3, a first sliding block 109 which penetrates through the first circular ring 3 and is fixed through screws is arranged at the left end of the fixing clamping block 108, and a buffering assembly which penetrates through the first circular ring 3 and is matched with the centrifugal assembly is arranged at the right end of. The left end surface of the movable clamping block is V-shaped and can form triangular clamping with the fixed clamping block.

The centrifugal assembly comprises a first sliding groove arranged at the upper end of the second rotating shaft 103, a clamping block is arranged in the first sliding groove in a sliding mode, a ring gear 104 is arranged in the fixed block 2 in a rotating mode, and a clamping groove matched with the clamping block is formed in the upper end of the inner side of the ring gear 104.

The buffer component comprises a rack 105 which is meshed with the upper end of the ring gear 104 and is matched in the fixed block 2 in a sliding manner, a first spring is connected between the fixed block 2 and the rack 105, a telescopic block 106 which penetrates through the first circular ring 3 is arranged at the right end of the movable clamping block 107, a second sliding groove which is used for accommodating the rack 105 in a sliding manner is arranged at the right end of the telescopic block 106, and a second spring is connected between the second sliding groove and the rack 105. The arrangement can form buffer in the clamping process, and rigid clamping is avoided.

The collecting component 11 comprises a supporting block which is arranged at the upper end of the base 1 and is used for accommodating the rotation of the second rotating shaft 94, a third rotating shaft 112 is rotationally arranged at the lower end of the supporting block, a toothed belt 111 is connected between the second rotating shaft 94 and the third rotating shaft 112, a rotary disc 113 is arranged at the rear end of the third rotating shaft 112, a hinge rod 114 is hinged at the rear end of the rotary disc 113, a notch is arranged at the rear end of the base 1, a collecting groove 117 is arranged on the notch, and a compressing component connected with the hinge rod 114 is arranged in the collecting groove 117. And gear rings meshed with the toothed belts are arranged on the second rotating shaft and the third rotating shaft respectively.

Collecting vat 117 is equipped with the opening including fixing the square groove in breach rear end, the lower extreme in square groove, and the opening part articulates there is open-close plate 118, is connected with the torsional spring between open-close plate 118 and the opening, and the upper end in square groove is equipped with the arc wall.

The compression assembly comprises an extrusion block 115 hinged at the left end of the hinge rod 114, the left side and the right side of the lower end of the square groove are respectively provided with a left sliding groove and a right sliding groove for accommodating the extrusion block 115 in sliding fit, a second sliding block 116 is arranged in the left sliding groove in sliding fit, the left end of the second sliding block 116 is provided with a sliding rod in sliding fit in the base 1, and a third spring for connecting the base 1 and the second sliding block 116 is sleeved outside the sliding rod.

The working principle is as follows: when the large steel pipe needs to be drilled in the circumferential direction, the large steel pipe is placed on the circular ring, as shown in fig. 7, the stepping motor is started, the stepping motor drives the large gear and the first rotating shaft to rotate clockwise, the large gear drives the small gear to rotate, the small gear drives the second rotating shaft to rotate, the clamping block is clamped into the clamping groove after being thrown out under the action of centrifugal force in the rotating process of the second rotating shaft, the second rotating shaft drives the rack to move left through the clamping block, the rack extrudes the second spring and then drives the telescopic block to drive the movable clamping block to move left, the movable clamping block clamps the large steel pipe tightly, at the moment, the first rotating shaft drives the circular disc to rotate only by a small angle, as shown in fig. 8, then the circular disc and the large gear continue to rotate, the movable clamping block still clamps the large steel pipe, the stepping cylinder stretches out the piston, the piston drives the, the movable clamping block still clamps the large steel pipe, the stepping cylinder retracts the piston, the piston drives the drilling machine to move upwards for resetting, as shown in figure 10, then the disc and the big gear continue to rotate, the movable clamping block still clamps the large steel pipe, the single tooth of the disc drives the grooved pulley to rotate anticlockwise, the grooved pulley drives the second ring to rotate, the second ring drives the stepping cylinder and the drilling machine to rotate for a fixed angle, at the moment, the disc just rotates for a circle, as shown in fig. 11, the sheave and the second ring are fixed each time they rotate by the same angle and do not rotate, the large steel pipe can be drilled circumferentially automatically and continuously according to the above steps, and stop after step motor rotates the integer number circle, during second pivot stall, the fixture block gets into first spout under the action of gravity in, the rack right shift resets under the effect of first spring, the rack passes through the flexible piece area and removes the fixture block right shift and resets to automatic unclamp the large-scale steel pipe of completion. And first pivot passes through the toothed belt and takes the third pivot to rotate, and the third pivot area takes the carousel to rotate, and the carousel passes through articulated rod area extrusion piece and removes, and in the waste material screw collecting vat that the drilling produced, the waste material that the extrusion piece compression was collected, at the continuous production in-process of waste material, waste material weight overweight for the open-close board is opened, and the waste material of compression falls down from the opening.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An equal-angle drilling device is characterized in that: comprises a base (1), wherein the left side and the right side above the base (1) are respectively provided with a connecting block (4) and a fixed block (2) through a bracket, the front end and the rear end of the connecting block (4) are respectively provided with a first circular ring (3) and a bearing (5), the outer ring of the bearing (5) is connected with a second circular ring (6), the rear side of the upper end of the second circular ring (6) is provided with a stepping cylinder (7), the piston of the stepping cylinder (7) is connected with a drilling machine, the fixed block (2) is internally provided with a stepping motor (8), the output shaft of the stepping motor (8) is connected with a rotating mechanism (9) which is used for intermittently rotating the second circular ring (6) by the same angle, the first circular ring (3) and the fixed block (2) are provided with clamping components (10) connected with the output shaft of the stepping motor (8), the base (1) is provided with a collecting component (11) matched, the rotating mechanism (9) comprises a first rotating shaft (94) which is keyed on an output shaft of the stepping motor (8), a disc (91) is keyed on the first rotating shaft (94), a single tooth (92) is arranged on an outer ring of the disc (91), a groove ring (93) is keyed on an outer ring of the second circular ring (6), and arc-shaped grooves matched with the disc (91) and tooth grooves matched with the single tooth (92) are uniformly distributed in the circumferential direction of the outer ring of the groove ring (93).

2. An equiangular drilling apparatus as defined in claim 1, wherein: clamping unit (10) including the key joint in gear wheel (101) on the output shaft of step motor (8), be provided with second pivot (103) on fixed block (2) with rotating, the rear end key joint of second pivot (103) have with pinion (102) of gear wheel (101) meshing, be equipped with in fixed block (2) with second pivot (103) matched with centrifugal subassembly, both ends are equipped with fixed fixture block (108), removal fixture block (107) respectively about first ring (3) inboard, the left end of fixed fixture block (108) is equipped with and passes first ring (3) and first slider (109) of fixing through the screw, the right-hand member of removing fixture block (107) is equipped with and passes first ring (3) and with centrifugal subassembly matched with buffering subassembly.

3. An equiangular drilling apparatus as defined in claim 2, wherein: the centrifugal assembly comprises a first sliding groove arranged at the upper end of the second rotating shaft (103), a clamping block is arranged in the first sliding groove in a sliding mode, a ring gear (104) is arranged in the fixing block (2) in a rotating mode, and a clamping groove matched with the clamping block is formed in the upper end of the inner side of the ring gear (104).

4. An equiangular drilling apparatus as defined in claim 3, wherein: buffer unit is in including the meshing ring gear (104) upper end and sliding fit are in rack (105) in fixed block (2), fixed block (2) with be connected with first spring between rack (105), the right-hand member of removing fixture block (107) is equipped with and passes flexible piece (106) of first ring (3), the right-hand member of flexible piece (106) is equipped with holds the second spout of rack (105) sliding fit, the second spout with be connected with the second spring between rack (105).

5. An equiangular drilling apparatus as defined in claim 1, wherein: collect subassembly (11) including setting up base (1) upper end just holds second pivot (94) pivoted piece, the lower extreme of piece is provided with third pivot (112) with rotating, second pivot (94) be connected with toothed belt (111) between third pivot (112), the rear end of third pivot (112) is equipped with carousel (113), the rear end of carousel (113) is articulated to have hinge bar (114), the rear end of base (1) is equipped with the breach, be equipped with collecting vat (117) on the breach, be equipped with in collecting vat (117) with the compression subassembly that hinge bar (114) are connected.

6. An equiangular drilling apparatus according to claim 5, wherein: collecting vat (117) is including fixing the square groove of breach rear end, the lower extreme of square groove is equipped with the opening, the opening part articulates there is open-close board (118), open-close board (118) with be connected with the torsional spring between the opening, the upper end of square groove is equipped with the arc wall.

7. An equiangular drilling apparatus according to claim 6, wherein: the compression assembly comprises an extrusion block (115) hinged to the left end of the hinge rod (114), the left side and the right side of the lower end of the square groove are respectively provided with a left sliding groove and a right sliding groove for accommodating the extrusion block (115), a second sliding block (116) is arranged in the left sliding groove in a sliding mode, the left end of the second sliding block (116) is provided with a sliding rod in the base (1), and a third spring connected with the base (1) and the second sliding block (116) is sleeved outside the sliding rod.